OpenTechnical

OT-2026-000103776

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000103776) never changes.

Identity and time

Publication numberOT-2026-000103776 · never reused
Internal UUID01a0aea4-e463-707c-828e-be93750c6ee3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103776
StatusPUBLIC

Content hashes

Canonical text172ea88a692452fd09ea8df221281e3298efa60694df92ee42d405b9b068e2dd
Markdowne6080a693fe377df2bd9f721649b5e0c3ca5f440caea6177b1e62fda667c6e06
PDF
Publication page8a323860bd8a4c34f3862d0f363893968874e177c373a2187a73bf05dee97c5c
Manifestd4d24ad4c10ffa2e7e8e44bff809008052fbdc913e2ad757131f24235138efae

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturehhIHK17dPSzri6OEXR0xUy8alx5DR3CGwVxETtCVacxd4/64fJ6CDyUeKISwmOGL+uFe1qPnutznJhmdFI1fCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:43.679134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103776
observed 8a323860bd8a4c34f3862d0f36389396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.663966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103776/manifest.json
observed d4d24ad4c10ffa2e7e8e44bff8090080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.646521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103776/publication.md
observed e6080a693fe377df2bd9f721649b5e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.629083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103776/publication.txt
observed 172ea88a692452fd09ea8df221281e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.